Sound Devices 633 - Manual (Page 74)

Analog Outputs
Output Type · XLR-3M Line: Active Balanced for use with ≥600 ohm inputs
· XLR-3M -10: Active Balanced for use with ≥10k ohm inputs
· XLR-3M Mic: Active Balanced for use with ≥600 ohm inputs
· TA3 Active Balanced Mic/Line: pin-2 and 3 driven, for use with ≥3k ohm inputs
· X3,X4 (3.5 mm): Unbalanced, stereo, for use with ≥6k ohm inputs
· Headphones (1/4”): Unbalanced, stereo, for use with 8-2k ohm headphones
Output Impedance
(ohms actual)
· XLR-3M and TA3 balanced outputs: 100 ohms at Line setting, 3.2k ohms at -10 setting,
150 ohms at Mic setting
· TA3 Balanced Outs: 1k ohms at Mic and Line settings
· X3,X4 (3.5 mm): 100 ohms
· Headphones (1/4”): 100 ohms
Line Output Clipping Level (1%
THD)
· 20 dBu minimum with 10k load
Maximum Output Level · Line (XLR-3M, 10-pin Hirose, TA3 Balanced and Direct Outs): +20 dBu (7.8 Vrms)
· -10 (XLR-3M, 10-pin Hirose): +6 dBu (1.5 V rms)
· Mic (XLR-3M, 10-pin Hirose, TA3 Balanced and Direct Outs): -20 dBu (0.078 Vrms)
Output Limiters · Affects the outputs of the mixer.
· Threshold selectable from +4 dBu to +18 dBu, 1 dB steps
· 20:1 limiting ratio
· 1 mS attack time
· 500 mS release time.
Maximum Gain
Typical (Trim, Fader, Master,
Phones, RTN fully up)
MIC Level Input LINE Level Input RTN
Master Outs (XLR-3M) @ LINE 91 dB 51 dB -
Master Outs (XLR-3M) @ -10 77 dB 37 dB -
Master Outs (XLR-3M) @ MIC 51 dB 11 dB -
X3, X4 Outs (3.5 mm) 77 dB 37 dB
Headphones (1/4”) 107 dB 67 dB 5 dB
Digital Outputs/Recorder
AES3 Output: · AES Out A,B on XLR-3M
· 110 ohm, 2 V p-p, AES and S/PDIF compatible with RCA adaptor
Sampling Frequency · 44.1 kHz
· 47.952 kHz
· 48 kHz
· 48.048 kHz · 88.2 kHz
· 96 kHz
· 192 kHz
A/D · 24 bit
A/D Dynamic Range · 114 dB, A-weighted, typical
Input to Output Delay · 0.74 ms (XLR-3F analog input to XLR-3M analog output, Input and Output delays set to
0, Sample rate set to 48 kHz)
Media Type · Secure Digital Extended Capacity (SDXC)
· Secure Digital High Capacity (SDHC)
· Secure Digital (SD)
· CompactFlash (CF)
· FAT32 or exFAT formatted, will format media on-board
File Type · Record: WAV (Broadcast Wave File format), polyphonic or MP3
· Playback: WAV (Broadcast Wave File format), polyphonic or MP3
633 User Guide and Technical Information
68
v. 1.02 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
Specifications